1^07] Ritter. — California Coast Ascidians. 45 



LITERATURE CITED. 



Bonnevie, Kristine. 



1S96. Aseidiae Simplices and Ascidiae Compositae from the North 

 Atlantic Expedition. The Norwegian North Atlantic Expedi- 

 tion, Zoology XXIII. 



Giard, Alfred, 



1872. Eecherches sur les Ascidies Composees on Synaseidies. These, 

 Paris. — 



Hartmeyer, Robert. 



1903. Die Aseidien der Arktis. Fauna Aretica, B., III. , 



1906. Ein Beitrag zur Kentniss der japanisclien Ascidienfaima. Zool- 

 ogiseher Anzeiger. Bd. XXXI, No. 1. 



Herdman, W. A. 



1882. Eeport on the Tunicata of the Challenger Expedition. Part I, 

 Ascidiae Simplices. Challenger Reports Zoology, Vol. VI. 



1892. Description of Some Simple Ascidians Collected in Puget Sound, 



Pacific Coast. Trans. Liverpool Biol. Soc, Vol. XII. 



1899. Tunicata in the Australian Museum, Sydney, N. S. W. ; Austra- 



lian Museum, Sydney, Catalogue No. XVII. 



Kiaer, Johan. 



1893. Oversight over Norges Ascidiae Simplices. Christiana Videnskabs- 



Selskobs Forhandlings No. 9. 



1896. A List of Norwegian Ascidiae Simplices. The Norwegian N^orth- 

 Atlanta Expedition. Zoology, XXIII, 3. 



Lahille, Fernand. 



1890. Contributions a 1 'etude anatomique et taxonomique des Tuniciers. 

 Theses, Toulouse. 



Michaelsen, W. 



1900. Die Holosomen Aseidien des Magalhaeneisch-siidgeorgischen 



Gebietes. Zoologica, Band XII (12). 



1904 Die Stolidobranchiaten Aseidien der deutschen Tiefsee Expedi- 

 fion. Wiss. Ergeb. der deutschen Tiefsee Expedition. 



Oka, Osajiro. 



1906. Notizen liber japanischen Aseidien. Annotationes Zoologica Jap- 

 anenses. Vol. VI. 



Pizon, Antoine 



1898. Etude Anatomique et Systematique des Molguliees Appartenant 

 aux Collections du Museum de Paris. Annales des Sci. Natur- 

 elles, Zoologie, 8 serie, T. VII. 



